Bugzilla – Full Text Bug Listing
| Summary: | [1.8] Eclipse failed to compile Java 8 code against Scala library types. | ||||||
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| Product: | [Eclipse Project] JDT | Reporter: | Tushar Phadke <tushar_phadke> | ||||
| Component: | Core | Assignee: | JDT-Core-Inbox <jdt-core-inbox> | ||||
| Status: | CLOSED NOT_ECLIPSE | QA Contact: | |||||
| Severity: | major | ||||||
| Priority: | P3 | CC: | stephan.herrmann | ||||
| Version: | 4.6 | ||||||
| Target Milestone: | --- | ||||||
| Hardware: | Macintosh | ||||||
| OS: | Mac OS X | ||||||
| Whiteboard: | stalebug | ||||||
| Attachments: |
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Can this problem be reproduced without scala classes?
I tried to replace those two classes with this:
//---
class IndexedSeq<T> {
int size() { return 0; }
}
class ActorRef {}
//---
With that replacement the program was accepted alright.
There must be something within those libs that breaks type inference.
In bug 468276 we concluded that scala generates class files that could not be legally produced from Java and hence are outside JLS. Seeing scala collection types involved in both cases this could turn out to be a duplicate of the other bug, unless ...
Tushar, can you provide versions of IndexedSeq and ActorRef that are (a) legal Java and (b) trigger the problem?
Hi Stephan, We use following version of the library Alka-Actor: 2.4.1 http://downloads.typesafe.com/akka/akka_2.11-2.4.1.zip?_ga=1.63906607.1480657454.1470547529 Scala Library: 2.11.7 (Required for Akka) http://www.scala-lang.org/download/2.11.7.html These JARs are also attached with this bug under lib folder. We have directly included downloaded jars in project as dependency. - Tushar @Tushar, I've seen the jar files. I am, however, suspecting that these jars contain classes that could not be created using only Java. That's why I asked, if you can create simplified versions of the two required classes as Java source code. Otherwise I will assume that the bug is not in the Eclipse compiler but in those jar files. This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. If you have further information on the current state of the bug, please add it. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant. -- The automated Eclipse Genie. This bug hasn't had any activity in quite some time. Maybe the problem got resolved, was a duplicate of something else, or became less pressing for some reason - or maybe it's still relevant but just hasn't been looked at yet. If you have further information on the current state of the bug, please add it. The information can be, for example, that the problem still occurs, that you still want the feature, that more information is needed, or that the bug is (for whatever reason) no longer relevant. -- The automated Eclipse Genie. |
Created attachment 263795 [details] Project with Error using JDK8 I have used Java 8 Streams in code using JDK 8. The code is compilable using JAVA_HOME/bin/javac but Eclipse shows error for same class. I have attached same project with this bug.